Brian Chenoweth

Meredith's friends and fellow doctors work to save her life after her near-drowning; Izzie gathers her courage to perform surgery at the site of the ferry accident.

The interns face what could be their biggest challenge yet when they deal with the fallout of a major disaster; Alex fights to save the life of a pregnant woman; Izzie helps a man pinned beneath a car.

Mulder and Scully cross paths with two women, who are identical and have followed each other across 17 states in the last three years, causing chaos and mayhem wherever they are.